"""Make it possible for some columns to be null

Revision ID: 2d696203e56
Revises: 354676f60be
Create Date: 2015-06-04 17:25:39.119678

"""

# revision identifiers, used by Alembic.
revision = '2d696203e56'
down_revision = '354676f60be'

from alembic import op
import sqlalchemy as sa


def upgrade():
    ### commands auto generated by Alembic - please adjust! ###
    op.alter_column('location', 'name',
               existing_type=sa.VARCHAR(length=120),
               nullable=False)
    op.alter_column('order_item', 'order_id',
               existing_type=sa.INTEGER(),
               nullable=False)
    op.alter_column('product', 'name',
               existing_type=sa.VARCHAR(length=120),
               nullable=False)
    op.alter_column('product', 'price',
               existing_type=sa.INTEGER(),
               nullable=False)
    op.alter_column('user', 'username',
               existing_type=sa.VARCHAR(length=80),
               nullable=False)
    ### end Alembic commands ###


def downgrade():
    ### commands auto generated by Alembic - please adjust! ###
    op.alter_column('user', 'username',
               existing_type=sa.VARCHAR(length=80),
               nullable=True)
    op.alter_column('product', 'price',
               existing_type=sa.INTEGER(),
               nullable=True)
    op.alter_column('product', 'name',
               existing_type=sa.VARCHAR(length=120),
               nullable=True)
    op.alter_column('order_item', 'order_id',
               existing_type=sa.INTEGER(),
               nullable=True)
    op.alter_column('location', 'name',
               existing_type=sa.VARCHAR(length=120),
               nullable=True)
    ### end Alembic commands ###